STENGEL, DONALD N. <br/><br/>
Managerial economics  concepts and principles /  [electronic resource] : 
Donald N. Stengel 
 - New York, NY :  Business Expert Press,  2011 
 - 151 p. :  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>1606492195 9781606492192 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Managerial economics